/*
 * Copyright 2005,2009 Ivan SZKIBA
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.ini4j;

import org.ini4j.spi.IniBuilder;
import org.ini4j.spi.IniFormatter;
import org.ini4j.spi.IniHandler;
import org.ini4j.spi.IniParser;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;

import java.net.URL;

public class Ini extends BasicProfile implements Persistable, Configurable {
	private static final long serialVersionUID = -6029486578113700585L;
	private Config _config;
	private File _file;

	public Ini() {
		_config = Config.getGlobal();
	}

	public Ini(Reader input) throws IOException, InvalidFileFormatException {
		this();
		load(input);
	}

	public Ini(InputStream input) throws IOException,
			InvalidFileFormatException {
		this();
		load(input);
	}

	public Ini(URL input) throws IOException, InvalidFileFormatException {
		this();
		load(input);
	}

	public Ini(File input) throws IOException, InvalidFileFormatException {
		this();
		_file = input;
		load();
	}

	@Override
	public Config getConfig() {
		return _config;
	}

	@Override
	public void setConfig(Config value) {
		_config = value;
	}

	@Override
	public File getFile() {
		return _file;
	}

	@Override
	public void setFile(File value) {
		_file = value;
	}

	@Override
	public void load() throws IOException, InvalidFileFormatException {
		if (_file == null) {
			throw new FileNotFoundException();
		}

		load(_file);
	}

	@Override
	public void load(InputStream input) throws IOException,
			InvalidFileFormatException {
		load(new InputStreamReader(input, getConfig().getFileEncoding()));
	}

	@Override
	public void load(Reader input) throws IOException,
			InvalidFileFormatException {
		IniParser.newInstance(getConfig()).parse(input, newBuilder());
	}

	@Override
	public void load(File input) throws IOException, InvalidFileFormatException {
		load(input.toURI().toURL());
	}

	@Override
	public void load(URL input) throws IOException, InvalidFileFormatException {
		IniParser.newInstance(getConfig()).parse(input, newBuilder());
	}

	@Override
	public void store() throws IOException {
		if (_file == null) {
			throw new FileNotFoundException();
		}

		store(_file);
	}

	@Override
	public void store(OutputStream output) throws IOException {
		store(new OutputStreamWriter(output, getConfig().getFileEncoding()));
	}

	@Override
	public void store(Writer output) throws IOException {
		store(IniFormatter.newInstance(output, getConfig()));
	}

	@Override
	public void store(File output) throws IOException {
		OutputStream stream = new FileOutputStream(output);

		store(stream);
		stream.close();
	}

	protected IniHandler newBuilder() {
		return IniBuilder.newInstance(this);
	}

	@Override
	protected void store(IniHandler formatter, Profile.Section section) {
		if (getConfig().isEmptySection() || (section.size() != 0)) {
			super.store(formatter, section);
		}
	}

	@Override
	protected void store(IniHandler formatter, Profile.Section section,
			String option, int index) {
		if (getConfig().isMultiOption()
				|| (index == (section.length(option) - 1))) {
			super.store(formatter, section, option, index);
		}
	}

	@Override
	boolean isTreeMode() {
		return getConfig().isTree();
	}

	@Override
	char getPathSeparator() {
		return getConfig().getPathSeparator();
	}

	@Override
	boolean isPropertyFirstUpper() {
		return getConfig().isPropertyFirstUpper();
	}
}
